Documentation about using AbortController and GraphQL request cancellation in SSR

[LevanArabuli]

Hey team,

Can you please add a documentation on using AbortController on SSR (Server side rendering)?
We came across a problem recently where a lot of requests that our React SSR Apollo client(hosted in Node) is sending to Apollo server(hosted in Node) are not timing out for very long time.
We have native timeouts on both SSR and Apollo server node processes ex. https://nodejs.org/api/http.html#serversettimeoutmsecs-callback.
However, even with Apollo server timing out client request(client is SSR in this case), a lot of GraphQL queries are still left as "orphaned" and are stuck for 200-300 seconds 😏

We are implementing a cancellation mechanism using AbortController, but didn't find any proper documentation around using it. Of course we went through the issue history, checking out source code, as well as other implementations:

• https://github.com/apollographql/apollo-client/blob/84048bc5d7b67009462b6e212b9820c6556ebbc5/src/link/http/createHttpLink.ts
• Feature idea: Abort pending requests apollo-feature-requests#362
• https://github.com/drcallaway/apollo-link-timeout/blob/6ffe29f8f86d0946923405d27a8c3b62458d9046/src/timeoutLink.ts#L27

It will be helpful if there's an official guide on using AbortController in SSR (or just client side).

Kudos!

[LevanArabuli]

Hi team, any updates on this?